Design Of Flexible Pavements

Design of Flexible Granular Pavements Presenter: Bill Hutton

Pavement Types ,[object Object],[object Object],[object Object]

Pavement Types ,[object Object],[object Object]

Pavement Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Structural Analysis ,[object Object],[object Object],Road Classification Pavement Material Standard Modified Local Urban Roads & Rural Roads Empirical Mechanistic State Highways & Urban Arterials Empirical Mechanistic Freeways, Motorways & Major Arterial Roads Not Applicable Mechanistic

Structural Analysis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Design Traffic Loading ,[object Object]

Design Traffic Loading ,[object Object],Axle Configuration Designation Load, P (kN) Mass (tonnes) Single Axle, Single Tyre SS 53 5.4 Tandem Axle, Dual Tyre TAD 135 13.6 Triaxle, Dual Tyre TRD 181 18.5

[object Object],[object Object],[object Object], Design Traffic Loading

,[object Object], Design Traffic Loading

Geometric Design Considerations Earthworks – 1:200 Residential – 1:400 Industrial Concrete – 0.5% Longitudinal (0.3% if required) – 1% Cross Fall Asphalt – 2% Cross Fall Minimum Chip Seal – 3% Cross Fall Minimum Kerb & Channel – 0.3% Longitudinal Table Drains with Grass Invert – 0.75% (0.5% min). Table Drains with Conc. Invert – 0.35% (0.3% min).

Case Study 1 – Granite Vale Road

Case Study 1 – Granite Vale Road 250mm -75 material with Geo-fabric 150mm Type 2.3 CTB with 3% Cement

Additional Reading & Questions ,[object Object],[object Object],[object Object],[object Object]

Design Of Flexible Pavements

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